NHA Phlebotomy Certification Practice Exam

When should a phlebotomist discard a blood collection tube?

1. After every draw

2. If it is expired

3. If it is damaged or broken

4. All of the above

The correct answer is: All of the above

A phlebotomist must adhere to strict safety and quality standards when handling blood collection tubes to ensure the accuracy of tests and the safety of patients. Discarding a blood collection tube is essential under several circumstances to prevent the potential for contamination or compromised samples. If a blood collection tube is expired, using it could lead to inaccurate test results, as the additives within the tube may no longer be effective. Ensuring that tubes are within their expiration date is a critical step in maintaining the integrity of the collected sample. Similarly, if a blood collection tube is damaged or broken, it poses a risk of contamination and may also compromise the collection process. A damaged tube may not create the appropriate vacuum needed for drawing blood or could leak, which can lead to spillage and exposure to hazardous materials. The practice of discarding tubes after every draw is also a standard procedure, especially in situations where the tube is not appropriate for further use due to it having already served its purpose in a specific collection. This helps in maintaining a sterile and safe environment for the patient and ensures that each blood sample is collected using a new, sterile container. Therefore, it is vital for phlebotomists to discard blood collection tubes when they are expired, damaged, or